209 lines
4.5 KiB
C
209 lines
4.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2020 MediaTek Inc.
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*/
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#ifndef __M4U_HW_H__
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#define __M4U_HW_H__
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#define M4U_PGSIZES (SZ_4K | SZ_64K | SZ_1M | SZ_16M)
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#define TOTAL_M4U_NUM (1)
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/* m4u0 has 2 slaves, iommu(m4u1) has 1 slave */
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#define M4U_SLAVE_NUM(m4u_id) ((m4u_id) ? 2 : 1)
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/* seq range related */
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#define SEQ_NR_PER_MM_SLAVE (8)
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#define SEQ_NR_PER_PERI_SLAVE (0)
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#define M4U0_SEQ_NR (SEQ_NR_PER_MM_SLAVE*M4U_SLAVE_NUM(0))
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#define M4U1_SEQ_NR (SEQ_NR_PER_PERI_SLAVE*M4U_SLAVE_NUM(1))
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#define M4U_SEQ_NUM(m4u_id) ((m4u_id) ? M4U1_SEQ_NR : M4U0_SEQ_NR)
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#define M4U0_MAU_NR (1)
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#define M4U_SEQ_ALIGN_MSK (0x100000-1)
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#define M4U_SEQ_ALIGN_SIZE (0x100000)
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/* mau related */
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#define MAU_NR_PER_M4U_SLAVE (1)
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/* smi */
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#ifdef CONFIG_MACH_MT6765
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#define SMI_LARB_NR (4)
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#elif defined(CONFIG_MACH_MT6761)
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#define SMI_LARB_NR (3)
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#endif
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/* prog pfh dist related */
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#define PROG_PFH_DIST (2)
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#define M4U0_PROG_PFH_NR (PROG_PFH_DIST)
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#define M4U1_PROG_PFH_NR (PROG_PFH_DIST)
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#define M4U_PROG_PFH_NUM(m4u_id) \
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((m4u_id) ? M4U1_PROG_PFH_NR : M4U0_PROG_PFH_NR)
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struct m4u_perf_count {
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unsigned int transaction_cnt;
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unsigned int main_tlb_miss_cnt;
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unsigned int pfh_tlb_miss_cnt;
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unsigned int pfh_cnt;
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unsigned int rs_perf_cnt;
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};
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struct iommu_tlb {
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unsigned int tag;
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unsigned int desc;
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};
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struct iommu_pfh_tlb {
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unsigned int va;
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unsigned int va_msk;
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char layer;
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char x16;
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char sec;
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char pfh;
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char valid;
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unsigned int desc[MMU_PAGE_PER_LINE];
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int set;
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int way;
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unsigned int page_size;
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unsigned int tag;
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};
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struct m4u_port_hw_struct {
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char *name;
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unsigned m4u_id:2;
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unsigned m4u_slave:2;
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unsigned larb_id:4;
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unsigned larb_port:8;
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unsigned tf_id:12; /* 12 bits */
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bool enable_tf;
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m4u_reclaim_mva_callback_t *reclaim_fn;
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void *reclaim_data;
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m4u_fault_callback_t *fault_fn;
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void *fault_data;
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};
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struct m4u_range_des { /* sequential entry range */
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unsigned int Enabled;
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M4U_PORT_ID port;
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unsigned int MVAStart;
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unsigned int MVAEnd;
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/* unsigned int entryCount; */
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};
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struct m4u_mau_status { /* mau entry */
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bool Enabled;
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M4U_PORT_ID port;
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unsigned int MVAStart;
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unsigned int MVAEnd;
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};
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struct m4u_prog_dist { /* prog pfh dist */
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unsigned int Enabled;
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M4U_PORT_ID port;
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unsigned int mm_id;
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unsigned int dir;
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unsigned int dist;
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unsigned int en;
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unsigned int sel;
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};
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extern struct m4u_port_hw_struct gM4uPort[];
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extern int gM4u_port_num;
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static inline char *m4u_get_port_name(M4U_PORT_ID portID)
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{
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if ((portID < gM4u_port_num) && (portID >= M4U_PORT_DISP_OVL0))
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return gM4uPort[portID].name;
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return "m4u_port_unknown";
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}
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static inline int m4u_get_port_by_tf_id(int m4u_id, int tf_id)
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{
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int i, tf_id_old;
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tf_id_old = tf_id;
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if (m4u_id == 0)
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tf_id &= F_MMU0_INT_ID_TF_MSK;
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for (i = 0; i < gM4u_port_num; i++) {
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if ((gM4uPort[i].tf_id == tf_id) &&
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(gM4uPort[i].m4u_id == m4u_id))
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return i;
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}
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m4u_err("error: m4u_id=%d, tf_id=0x%x\n", m4u_id, tf_id_old);
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return gM4u_port_num;
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}
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static inline int m4u_port_2_larb_port(M4U_PORT_ID port)
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{
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if ((port < gM4u_port_num) && (port >= M4U_PORT_DISP_OVL0))
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return gM4uPort[port].larb_port;
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return 0;
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}
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static inline int m4u_port_2_larb_id(M4U_PORT_ID port)
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{
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if ((port < gM4u_port_num) && (port >= M4U_PORT_DISP_OVL0))
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return gM4uPort[port].larb_id;
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return 0xff;
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}
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static inline int larb_2_m4u_slave_id(int larb)
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{
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int i;
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for (i = 0; i < gM4u_port_num; i++) {
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if (gM4uPort[i].larb_id == larb)
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return gM4uPort[i].m4u_slave;
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}
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return 0;
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}
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static inline int m4u_port_2_m4u_id(M4U_PORT_ID port)
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{
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if ((port < gM4u_port_num) && (port >= M4U_PORT_DISP_OVL0))
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return gM4uPort[port].m4u_id;
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return 0;
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}
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static inline int m4u_port_2_m4u_slave_id(M4U_PORT_ID port)
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{
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if ((port < gM4u_port_num) && (port >= M4U_PORT_DISP_OVL0))
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return gM4uPort[port].m4u_slave;
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return 0;
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}
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static inline int larb_port_2_m4u_port(int larb, int larb_port)
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{
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int i;
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for (i = 0; i < gM4u_port_num; i++) {
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if (gM4uPort[i].larb_id == larb &&
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gM4uPort[i].larb_port == larb_port)
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return i;
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}
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/*
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* m4u_err("unknown larb port: larb=%d, larb_port=%d\n",
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* larb, larb_port);
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*/
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return M4U_PORT_UNKNOWN;
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}
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void m4u_print_perf_counter(int m4u_index, int m4u_slave_id, const char *msg);
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int m4u_dump_reg(int m4u_index, unsigned int start, unsigned int end);
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extern struct m4u_device *gM4uDev;
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#ifdef M4U_TEE_SERVICE_ENABLE
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extern int m4u_tee_en;
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#endif
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#endif
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